| 摘要 |
PURPOSE: A method for measuring welding resistance and coil resistance of an armature is provided to measure a plurality of welding resistance and coil resistance with one measurement and to reduce the measuring time by measuring the feedback source power during the measuring electrical characteristics. CONSTITUTION: The method for measuring welding resistance and coil resistance of an armature includes the steps of supplying power source to a plurality of commutator bars placed on the both ends a commutator bar placed on the center between the main power source and the feedback power source, calculating the welding resistance(W) by measuring the voltage between the main power source applied commutator bar and the feedback power source applied commutator bar, and calculating the coil resistance(L) by measuring the voltage between the power source applied commutator bars and the feedback power source applied commutator bar.
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